21 Samsung Electronics
If at MICOM PORT begins to output High signal which corresponds to electrical load which we intend
to work, DRIVER IC(KA2657) is turned ON and at this moment, corresponding electrical load starts to
operate because the DC12 yield the electric current which flows corresponding RELAY COIL and RELAY
contacting point is set to be ON so corresponding electrical load begins to operate.
TRANSISTOR begins to operate by CLOCK which was generated at MICOM and BUZZER sound is
generated by impression of 12V to the BUZZER.
8-5. Division of OPERATING
8-6. Division of BUZZER
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